package com.qiyue.utils.ip;

import javax.servlet.http.HttpServletRequest;

public class IPUtil {
	/**
	 * 获取IP地址
	 * @param request
	 * @return
	 */
	public  static String getIpAddress(HttpServletRequest request) {
	       String ip = request.getHeader("x-forwarded-for");      
	       if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {      
	           ip = request.getHeader("Proxy-Client-IP");      
	       }      
	       if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {      
	           ip = request.getHeader("WL-Proxy-Client-IP");      
	       }
	       if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {    
	            ip = request.getHeader("HTTP_CLIENT_IP");    
	       }    
	       if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {    
	            ip = request.getHeader("HTTP_X_FORWARDED_FOR");    
	       }  
	       if(ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {      
	           ip = request.getRemoteAddr();      
	       }      
	       return ip;      
	}
}
